🦕 Prehistoric World Map

Juchuysillu fossil map

Where fossils of Juchuysillu have been found, shown on the Earth as it looked about 15 million years ago and on today’s map.

Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 15 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →

GroupEarly mammals
Lived20.45–13.82 million years ago (Burdigalian to Langhian)
PeriodsNeogene
FamilyInteratheriidae
Named byCroft and Anaya 2020
Fossil records6 occurrences at 3 locations (PBDB)
Found inBolivia
Rock formationsNazareno, txn:43409

About Juchuysillu

Juchuysillu is an extinct genus of interatheriid notoungulate. It lived from the Early to the Middle Miocene, and its fossils have been found in Bolivia.

Text in “About” is quoted from the Wikipedia article Juchuysillu (revision 1294186271), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q97369707.

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